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Abstract

We present a strategy for rendering in distributed virtual environments. A geometry database is maintained by a server, while user invoke individual clients to interact with the environment. Instead of downloading a complete copy of the geometry data, the data is distributed on demand, thus gaining significant savings in network bandwidth. Our strategy combines several techniques, including levels of detail, progressive refinement and graceful degradation to deliver the data 'just in time' over the network to the rendering process. The method allows operate on a tight resource budget, which important if attempting to use low cost systems for virtual reality applications.

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@techreport{Schmalstieg-1996-DDG,
  title =      "Demand-Driven Geometry Transmission for Distributed
                Virtual Environments",
  author =     "Dieter Schmalstieg and Michael Gervautz",
  year =       "1996",
  abstract =   "We present a strategy for rendering in distributed virtual
               environments. A geometry database is maintained by a server,
               while user invoke individual clients to interact with the
               environment. Instead of downloading a complete copy of the
               geometry data, the data is distributed on demand, thus
               gaining significant savings in network bandwidth. Our
               strategy combines several techniques, including levels of
               detail, progressive refinement and graceful degradation to
               deliver the data 'just in time' over the network to the
               rendering process. The method allows operate on a tight
               resource budget, which important if attempting to use low
               cost systems for                 virtual reality
               applications.",
  address =    "Favoritenstrasse 9-11/186, A-1040 Vienna, Austria",
  institution = "Institute of Computer Graphics and Algorithms, Vienna
               University of Technology",
  note =       "human contact: technical-report@cg.tuwien.ac.at",
  month =      jan,
  number =     "TR-186-2-96-01",
  keywords =   "virtual reality, distributed graphics, multi-user
               applications, levels of detail",
  URL =        "http://www.cg.tuwien.ac.at/research/publications/1996/Schmalstieg-1996-DDG/",
}